Thunderstorms & Tornadoes

Which is NOT a condition that must be present to create a thunderstorm?

• Air must be full of moisture
• Warm air must rise quickly and continue to rise
• Lightning has to set something on fire
• The air in the cloud must stay warmer than the air around it

Thunderstorm clouds are called - 

• Cirrus
• Stratus
• Cumulus
• Cumulonimbus

The most thunderstorms per year occur in which state?

• Montana
• Florida
• Texas
• Virginia

When lightning heats the air around it, and the air expands quickly, what does this cause?

• Thunder

• Wind

• Precipitation

• Evaporation

What is the most common type of lightning?

• Within a cloud

• Cloud to ground

• Cloud to cloud

• Cloud to water

Which two conditions must be present for a thunderstorm to be considered severe?

• Winds 58mph or stronger and hail at least 1 inch around

• 100 lightning flashes per minute and high winds

• Loud thunder and lots of lightning

• Lots of rain and wind

What happens during the mature stage of a thunderstorm?

• The storm begins to break up
• The storm creates lightning thunder and heavy rain
• The cool air rises and stratus clouds build
• The warm air rises and cumulus clouds build

What happens during the dissipating stage of a thunderstorm?

• The storm begins to break up
• The storm creates lightning thunder and heavy rain
• The cool air rises and stratus clouds build
• The warm air rises and cumulus clouds build

Which is NOT a type of lightning?

• Cloud to Cloud

• Sprites

• Dry Lightning

• Negative Lightning

What does this symbol show? 

• High pressure
• Low pressure
• Low humitidy
• Longing for someone (strong feelings)